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Chd|====================================================================
Chd|  HM_READ_FAIL_COCKCROFT        source/materials/fail/cockroft_latham/hm_read_fail_cockcroft.F
Chd|-- called by -----------
Chd|        HM_READ_FAIL                  source/materials/fail/hm_read_fail.F
Chd|-- calls ---------------
Chd|        HM_GET_FLOATV                 source/devtools/hm_reader/hm_get_floatv.F
Chd|        HM_OPTION_IS_ENCRYPTED        source/devtools/hm_reader/hm_option_is_encrypted.F
Chd|        FAIL_PARAM_MOD                ../common_source/modules/mat_elem/fail_param_mod.F
Chd|        SUBMODEL_MOD                  share/modules1/submodel_mod.F 
Chd|====================================================================
      SUBROUTINE HM_READ_FAIL_COCKCROFT(
     .           FAIL    ,MAT_ID   ,FAIL_ID  ,IRUPT    ,
     .           LSUBMODEL,UNITAB   )
C-----------------------------------------------
c    ROUTINE DESCRIPTION :
c    Read Cockroft-Latham failure model parameters
C-----------------------------------------------
C   M o d u l e s
C-----------------------------------------------
      USE FAIL_PARAM_MOD
      USE UNITAB_MOD
      USE SUBMODEL_MOD
C---------------------------------------------------------------------
C I m p l i c i t  T y p e s
C---------------------------------------------------------------------
#include      "implicit_f.inc"
C-----------------------------------------------
C   C o m m o n   B l o c k s
C-----------------------------------------------
#include "units_c.inc"
C-----------------------------------------------
C     D u m m y  A r g u m e n t s
C-----------------------------------------------
      INTEGER            ,INTENT(IN) :: FAIL_ID         ! failure model ID
      INTEGER            ,INTENT(IN) :: MAT_ID          ! material law ID
      INTEGER            ,INTENT(IN) :: IRUPT           ! failure model type number
      TYPE(UNIT_TYPE_)   ,INTENT(IN) :: UNITAB          ! table of input units
      TYPE(SUBMODEL_DATA),INTENT(IN) :: LSUBMODEL(*)    ! submodel table
      TYPE(FAIL_PARAM_)  ,INTENT(INOUT) :: FAIL         ! failure model data structure
C-----------------------------------------------
C     L o c a l  V a r i a b l e s
C-----------------------------------------------
      my_real :: C0, EMA
      LOGICAL :: IS_ENCRYPTED, IS_AVAILABLE
c=======================================================================
      IS_ENCRYPTED = .FALSE.
      IS_AVAILABLE = .FALSE.
!     Initializations

      C0  = ZERO
!     Encryption flag
      CALL HM_OPTION_IS_ENCRYPTED(IS_ENCRYPTED)      

!     Line 1
      CALL HM_GET_FLOATV('C0', C0, IS_AVAILABLE, LSUBMODEL, UNITAB)  
      CALL HM_GET_FLOATV('ALPHA', EMA, IS_AVAILABLE, LSUBMODEL, UNITAB)  
!     Default values
      IF (EMA == ZERO) EMA = ONE
c----------------------------------
      FAIL%KEYWORD = 'COCKROFT-LATHAM' 
      FAIL%IRUPT   = IRUPT 
      FAIL%FAIL_ID = FAIL_ID 
      FAIL%NUPARAM = 2
      FAIL%NIPARAM = 0
      FAIL%NUVAR   = 3
      FAIL%NFUNC   = 0
      FAIL%NTABLE  = 0
      FAIL%NMOD    = 0
c            
      ALLOCATE (FAIL%UPARAM(FAIL%NUPARAM))
      ALLOCATE (FAIL%IPARAM(FAIL%NIPARAM))
      ALLOCATE (FAIL%IFUNC (FAIL%NFUNC))
      ALLOCATE (FAIL%TABLE (FAIL%NTABLE))
c
      FAIL%UPARAM(1) = C0
      FAIL%UPARAM(2) = EMA
c----------------------------------
      IF (IS_ENCRYPTED) THEN
         WRITE(IOUT,'(5X,A,//)')'CONFIDENTIAL DATA'
      ELSE
         WRITE(IOUT, 1000) ABS(C0), EMA
         IF(C0 < ZERO) THEN
            WRITE(IOUT, 1100)
         ELSE
            WRITE(IOUT, 1200)       
         ENDIF       
      ENDIF        
c-----------------------------------------------------------
 1000 FORMAT(
     &     5X,40H    COCKROFT-LATHAM FAILURE CRITERIA          /,
     &     5X,40H    --------------------------------          /,
     &     5X,' COEFFICIENT C0. . . . . . . . . . . . .=',E12.4,/,
     &     5X,' FILTER COEFFICIENT EMA. . . . . . . . .=',E12.4,/,
     &     5X,'       ( EMA = 1.0: NO FILTERING )',/)
 1100 FORMAT(
     &     5X,' TOTAL STRAIN INCTEMENT USED',/
     &     5X,' --------------------------------------------------------- ',//)
 1200 FORMAT(
     &     5X,' PLASTIC STRAIN INCTEMENT USED',/
     &     5X,' --------------------------------------------------------- ',//)
C-----------
      RETURN
      END
